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Determine whether the proportion mentioned is a PARAMETER or STATISTIC.
6. OF all U.S Third grade teachers, 32% say that knowing how to run properly is an essential skill.
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- Determine whether the statement is true or false. If it is false, rewrite it as a true statement. Some quantitative data sets do not have medians. Choose the correct answer below. O A. The statement is true. O B. The statement is false. Some quantitative data sets do not have means. O C. The statement is false. All quantitative data set have medians. O D. The statement is false. Some quantitative data sets have more than one median.What is the difference between relative frequency and cumulative frequency? Choose the correct answer below. A. Relative frequency of a class is the number of observations in that class, while cumulative frequency of a class is the sum of all the frequencies. B. Relative frequency of a class is the proportion of the data in that class, while cumulative frequency of a class is the number of observations in that class. C. Relative frequency of a class is the percentage of the data that falls in that class, while cumulative frequency of a class is the sum of the frequencies of that class and all previous classes. O D. There is no difference between the two.Pain medications sometimes come with side effects. One side effect is dizziness. A researcher wanted to determine if some pain medications produced more or less dizziness than others. The results from his study are shown in the table below. Use a test to determine if the proportion of people within each treatment group who experienced dizziness are the same at the � = .01 level of significance. Tordol Placebo Naproxen Tylenol Advil Dizziness 83 32 36 5 8 No dizziness 4063 1832 1330 382 337 1) Determine the null and alternative hypotheses. Select the correct pair. ��:The proportion of people within each treatment group who experienced dizziness are independent��: The proportion of people within each treatment group who experienced dizziness are dependent ��: The proportion of people within each treatment group who experienced dizziness are the same��: The proportion of people within each treatment group who experienced dizziness are different 2) Determine the…
- Find the mode median and mean for the data set.Using the following information: identify the population, sample, statistic, and parameter. Political pollsters are often interested in gaining information about the proportion of Americans who will vote for a candidate before the actual election. One group of pollsters conducted a survey of 50,000 people to find out if they planned on voting for Trump in the next presidential election.Biologists caught and measured 215 fish from the northern Atlantic Ocean. The lengths of the fish (in cm) are summarized in the histogram. 40 35 30 25 20 15 10 5 15 30 45 60 75 90 105 120 length of fish (cm) About what percentage of fish caught in this study had lengths between 45 cm and 75 cm? % Frequency
- The data set shows the GDP per people in 24 countries, along with the proportion of person that have a linkedin social media account. A. the covariance is ___ percentage dollars. be careful of the units. round to the nearest integer. B. r= ___ c. Choose the correct answer below. A. There is no clear relationship between the GDP and LinkedIn accounts. B. There is a strong positive relationship between the GDP and LinkedIn accounts. C. There is a weak positive relationship between the GDP and LinkedIn accounts. D. There is a strong negative relationship between the GDP and LinkedIn accounts. GDP (PPP) Social Media Usage (%) 6,905 89 17,863 87 5,114 86 9,989 86 6,121 83 6,593 83 13,899 81 4,013 83 16,146 75 4,696 79 16,470 76 19,857 72 18,155 71 3,501 74 19,526 75 8,007 76 4,033 73 13,651 69 16,990 68 6,642 70 6,447 70 6,434 68 13,052 64 10,874 47Determine whether the data are qualitative or quantitative.2) The colors of automobiles on a used car lot1. What the p value. 2. Interpret the p value and state a conclusion.
- Determine whether the underlined numerical value is a parameter or a statistic. Explain your reasoning. The average grade on the midterm exam in a certain math class of 50 students was an 88. Choose the correct answer below. A. Statistic, because the data set of a sample of math exams is a population. B. Parameter, because the data set of all 50 midterm exams in the math class is a sample. O C. Parameter, because the data set of all 50 midterm exams in the math class is a population. O D. Statistic, because the data set of all 50 midterm exams in the math class is a population. O E. Parameter, because the data set of a sample of math exams is a population. OF. Parameter, because the data set of a sample of math exams is a sample. O G. Statistic, because the data set of a sample of math exams is a sample. H. Statistic, because the data set of all 50 midterm exams in the math clas is a sample. CalculatorNet Worth. The Board of Governors of the Federal Reserve System publishes information on family net worth in the Survey of Consumer Finances. In 2010, the mean net worth of families in the United States was $498.8 thousand and the median net worth was $77.3 thousand. Which measure of center do you think is more appropriate? Explain your answer.The data below are the frequency of cremation burials found in 17 archaeological sites. a. Obtain the mean, median, and mode of these data. b. Which measure of center do you think works best here? 83 69 44 49 516 34 33 281 2340 44 371 27 89 430 58 242 122 a. The mean is